<SEC-DOCUMENT>0001193125-21-350952-index.html : 20211208 <SEC-HEADER>0001193125-21-350952.hdr.sgml : 20211208 <ACCEPTANCE-DATETIME>20211208090816 ACCESSION NUMBER: 0001193125-21-350952 CONFORMED SUBMISSION TYPE: 425 PUBLIC DOCUMENT COUNT: 42 FILED AS OF DATE: 20211208 DATE AS OF CHANGE: 20211208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: UMPQUA HOLDINGS CORP CENTRAL INDEX KEY: 0001077771 STANDARD INDUSTRIAL CLASSIFICATION: SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035] IRS NUMBER: 931261319 STATE OF INCORPORATION: OR FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 425 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34624 FILM NUMBER: 211477769 BUSINESS ADDRESS: STREET 1: ONE SW COLUMBIA STREET STREET 2: SUITE 1200 CITY: PORTLAND STATE: OR ZIP: 97204 BUSINESS PHONE: 503-727-4100 MAIL ADDRESS: STREET 1: ONE SW COLUMBIA STREET STREET 2: SUITE 1200 CITY: PORTLAND STATE: OR ZIP: 97204 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA BANKING SYSTEM, INC. CENTRAL INDEX KEY: 0000887343 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 911422237 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 425 BUSINESS ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 BUSINESS PHONE: 2533051900 MAIL ADDRESS: STREET 1: 1301 A STREET CITY: TACOMA STATE: WA ZIP: 98402 FORMER COMPANY: FORMER CONFORMED NAME: COLUMBIA BANKING SYSTEM INC DATE OF NAME CHANGE: 19930328 </SEC-HEADER> <DOCUMENT> <TYPE>425 <SEQUENCE>1 <FILENAME>d259558d425.htm <DESCRIPTION>425 <TEXT> Document 1 - file: d259558d425.htm
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